Portable wireless telephone set



FIG. 1 is a front elevation of a portable wireless telephone set showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a right side elevation thereof;

FIG. 7 is a top rear perspective view thereof; and

FIG. 8 is a top rear perspective view similar to FIG. 7, with the telephone handset removed from the base. 

The ornamental design for a portable wireless telephone set, as shown and described. 